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FJR Motorcycle Forums
Technical & Mechanical Problems
Extremely low MPG
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<blockquote data-quote="torch" data-source="post: 1448816" data-attributes="member: 1295"><p>Actually, I think the gauge -- or more precisely, the sensor -- is fairly linear, but it's a height gauge. It's the tank shape that is non-linear and Yamaha made no effort to correlate height to volume. </p><p></p><p>That pretty domed top just doesn't hold much gas. Drop a few centimeters and the tank both widens and lengthens before sharply narrowing again. </p><p></p><p>At a steady 105 to 110 kph (~70 mph) and fairly gentle hills, Legacy loses the first bar (of 16) at about 20kms (13miles) and the second bar at around 70kms (44mi). There's one bar left at about 325kms (200mi) and takes about 17L (4.5USG) to top her off. </p><p></p><p>Pandora's 8 segment gauge is actually more useful, if less precise. Under similar conditions the first bar lasted roughly 65kms, the next disappeared at perhaps 120. The remaining intervals were fairly consistent, approximately 45-50km each excepting the last- from the moment the 7th bar disappeared to the moment the fuel trip meter activated was generally only 25kms. At that point, she would need just under 20L to fill, leaving a 5L reserve capacity.</p></blockquote><p></p>
[QUOTE="torch, post: 1448816, member: 1295"] Actually, I think the gauge -- or more precisely, the sensor -- is fairly linear, but it's a height gauge. It's the tank shape that is non-linear and Yamaha made no effort to correlate height to volume. That pretty domed top just doesn't hold much gas. Drop a few centimeters and the tank both widens and lengthens before sharply narrowing again. At a steady 105 to 110 kph (~70 mph) and fairly gentle hills, Legacy loses the first bar (of 16) at about 20kms (13miles) and the second bar at around 70kms (44mi). There's one bar left at about 325kms (200mi) and takes about 17L (4.5USG) to top her off. Pandora's 8 segment gauge is actually more useful, if less precise. Under similar conditions the first bar lasted roughly 65kms, the next disappeared at perhaps 120. The remaining intervals were fairly consistent, approximately 45-50km each excepting the last- from the moment the 7th bar disappeared to the moment the fuel trip meter activated was generally only 25kms. At that point, she would need just under 20L to fill, leaving a 5L reserve capacity. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Extremely low MPG
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